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Fwd: hi, may I ask some help on the paravirtualization of KVM?
On Sun, Mar 21, 2010 at 8:18 PM, Liang YANG brinew...@gmail.com wrote: I want to set up the virtio-net for the GuestOS on KVM. Following is my steps: 1.Compile the kvm-88 and make, make install. 2.Compile the GuestOS(redhat) with kernel version 2.6.27.45(with virtio support). The required option are all selected. o CONFIG_VIRTIO_PCI=y (Virtualization - PCI driver for virtio devices) o CONFIG_VIRTIO_BALLOON=y (Virtualization - Virtio balloon driver) o CONFIG_VIRTIO_BLK=y (Device Drivers - Block - Virtio block driver) o CONFIG_VIRTIO_NET=y (Device Drivers - Network device support - Virtio network driver) o CONFIG_VIRTIO=y (automatically selected) o CONFIG_VIRTIO_RING=y (automatically selected) 3.Then start up the GuestOS by such command: x86_64-softmmu/qemu-system-x86_64 -m 1024 /root/redhat.img -net nic,model=virtio -net tap,script=/etc/kvm/qemu-ifup 4.Result is this: * The Guest OS start up. * But the network not, no eth-X device found. * lsmod | grep virtio get none module about virtio Then why the virtio_net not show up in the GuestOS? Is there any wrongs on my each steps? or lacking some settings? I have referred the page http://www.linux-kvm.org/page/Virtio, but not found any special requirement. Does anyone have some tips? Thanks in advance. -- BestRegards. YangLiang _ Department of Computer Science . School of Electronics Engineering Computer Science . _ -- BestRegards. YangLiang _ Department of Computer Science . School of Electronics Engineering Computer Science . _ -- To unsubscribe from this list: send the line unsubscribe kvm in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
Re: hi, may I ask some help on the paravirtualization of KVM?
On (Sun) Mar 21 2010 [20:18:53], Liang YANG wrote: I want to set up the virtio-net for the GuestOS on KVM. Following is my steps: 1.Compile the kvm-88 and make, make install. 2.Compile the GuestOS(redhat) with kernel version 2.6.27.45(with virtio support). The required option are all selected. o CONFIG_VIRTIO_PCI=y (Virtualization - PCI driver for virtio devices) o CONFIG_VIRTIO_BALLOON=y (Virtualization - Virtio balloon driver) o CONFIG_VIRTIO_BLK=y (Device Drivers - Block - Virtio block driver) o CONFIG_VIRTIO_NET=y (Device Drivers - Network device support - Virtio network driver) o CONFIG_VIRTIO=y (automatically selected) o CONFIG_VIRTIO_RING=y (automatically selected) 3.Then start up the GuestOS by such command: x86_64-softmmu/qemu-system-x86_64 -m 1024 /root/redhat.img -net nic,model=virtio -net tap,script=/etc/kvm/qemu-ifup 4.Result is this: * The Guest OS start up. * But the network not, no eth-X device found. * lsmod | grep virtio get none module about virtio Since you selected the virtio options as 'y', they are directly compiled into the kernel and hence you won't see the modules. Check your 'lspci -v' output. You should see the virtio device there. You can also try some usual things like 'ifconfig eth0 up', etc., to get the interface. Amit -- http://log.amitshah.net/ -- To unsubscribe from this list: send the line unsubscribe kvm in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
hi, may I ask some help on the paravirtualization of KVM?
I want to set up the virtio-net for the GuestOS on KVM. Following is my steps: 1.Compile the kvm-88 and make, make install. 2.Compile the GuestOS(redhat) with kernel version 2.6.27.45(with virtio support). The required option are all selected. o CONFIG_VIRTIO_PCI=y (Virtualization - PCI driver for virtio devices) o CONFIG_VIRTIO_BALLOON=y (Virtualization - Virtio balloon driver) o CONFIG_VIRTIO_BLK=y (Device Drivers - Block - Virtio block driver) o CONFIG_VIRTIO_NET=y (Device Drivers - Network device support - Virtio network driver) o CONFIG_VIRTIO=y (automatically selected) o CONFIG_VIRTIO_RING=y (automatically selected) 3.Then start up the GuestOS by such command: x86_64-softmmu/qemu-system-x86_64 -m 1024 /root/redhat.img -net nic,model=virtio -net tap,script=/etc/kvm/qemu-ifup 4.Result is this: * The Guest OS start up. * But the network not, no eth-X device found. * lsmod | grep virtio get none module about virtio Then why the virtio_net not show up in the GuestOS? Is there any wrongs on my each steps? or lacking some settings? I have referred the page http://www.linux-kvm.org/page/Virtio, but not found any special requirement. Does anyone have some tips? Thanks in advance. -- BestRegards. YangLiang _ Department of Computer Science . School of Electronics Engineering Computer Science . _ -- To unsubscribe from this list: send the line unsubscribe kvm in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html